//
//  AppDelegate.swift
//  SDAutoWeibo
//
//  Created by 刘健 on 16/3/19.
//  Copyright © 2016年 Clemmie. All rights reserved.
//

import UIKit

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?


    func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
        window = UIWindow(frame: UIScreen.mainScreen().bounds)
        window?.rootViewController?.view.backgroundColor = UIColor.whiteColor()
        
        if LFGlobalUserAccountsViewModel.sharedUserAccounts.userLogin {          
            //判断是否是新版本
            window?.rootViewController = checkOutVersion() ? LFNewFeatureViewController() : LFWelComeViewController()
            
        }else {
            //用户没有登录 跳转登录主界面
            window?.rootViewController = LFMainViewController()
        }
        
        window?.makeKeyAndVisible()
        
        

        
        return true
    }
    
    
    //实现控制器跳转 在类方法里面不能调用属性 需要对象存在
    class func JumpViewController(viewController:UIViewController) {
        
      let appDele = UIApplication.sharedApplication().delegate as! AppDelegate
        
        appDele.window?.rootViewController = viewController
        
    }
    
    
    //判断是否新版本
    func checkOutVersion() -> Bool {
        //1.获取当前版本
        let currentVersion = NSBundle.mainBundle().infoDictionary!["CFBundleShortVersionString"] as? String
        
        print("\(currentVersion)")
        
        //2.获取应用程序之前的版本 从沙盒里面拿
        let sandboxVersionKey = "sandboxVersionKey"
        
     let preVersion = NSUserDefaults.standardUserDefaults().stringForKey(sandboxVersionKey)
        
        print("\(preVersion)")
        
        //如果是新版本 保存新版本
        if currentVersion != preVersion {
            NSUserDefaults.standardUserDefaults().setObject(currentVersion, forKey: sandboxVersionKey)
            //iOS7.0 需要同步
            NSUserDefaults.standardUserDefaults().synchronize()
        }
        
        //如果不等于返回真，如果等于返回false
        return currentVersion != preVersion
    }
    
    
    

    func applicationWillResignActive(application: UIApplication) {
        // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
        // Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
    }

    func applicationDidEnterBackground(application: UIApplication) {
        // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
        // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
    }

    func applicationWillEnterForeground(application: UIApplication) {
        // Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background.
    }

    func applicationDidBecomeActive(application: UIApplication) {
        // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
    }

    func applicationWillTerminate(application: UIApplication) {
        // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
    }


}

